12 Utility Patents
#1 in Tougane
#69,823 in Japan
#327,534 in the World
Forward Citations = 100
Company Filing History:
Toshiba Ceramics Co., Ltd.
Shiraishi Central Laboratories Co., Ltd.
Covalent Materials Corporation
4. 1 out of 2
Otsuka Iron Works, Ltd.
5. 1 out of 2
Kansai Zyari Kabushiki-kaisha
where one patent can have more than one assignee
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